Tony Iommi, Black Sabbath guitarist and co-founder, told UK broadcaster ITV that Osbourne was “frustrated” during the band’s farewell concert on July 5. The heavy metal icon died less than three weeks later, on July 22, at age 76.

Ozzy Osbourne has died at age 76 more than two weeks after his final performance. The “Prince of Darkness” died “surrounded by love” on Tuesday, July 22, according to a statement posted by Osbourne’s family on social media.

Earlier this week, rock 'n roll legend Ozzy Osbourne of Black Sabbath passed away just a couple of weeks after a farewell concert. Now, one of his longtime Black Sabbath bandmates is speaking out about The Prince of Darkness' passing.